This is a once only fee for a major upgrade to the latest 1-10 user version JSEAsy v4.5.4 Premium
This upgrade applies to the standard single user version v4.5.4
This will upgrade your existing data file and give you a lifetime licence for JSEAsy Premium v4.5.4
All of your existing data will remain intact. All of the new features are added to your existing data file to upgrade you to the full JSEAsy Premium Safety Software Package.
To upgrade a standard v4.3 or earlier, you must first upgrade to v4.4.1 std and then from v4.4.1 standard to v4.5.3 Premium